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Finding the Fourth Proportional to 384,833.72, 577,250.53 and 118,594.21

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Solution

The fourth proportional to 384,833.72, 577,250.53 and 118,594.21 is: 177,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,833.72 : 577,250.53 = 118,594.21 : x
  2. Step 2: Convert to fraction form
    384,833.72/577,250.53 = 118,594.21/x
  3. Step 3: Cross multiply
    384,833.72x = 577,250.53 × 118,594.21
  4. Step 4: Simplify right side
    384,833.72x = 68,458,570,577.43
  5. Step 5: Solve for x
    x = 68,458,570,577.43/384,833.72
  6. Step 6: Final answer
    x = 177,891.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.